Segment and Geographic Information - Schedule of Revenues & Long-lived Assets Based on Geographic Area (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Schedule of revenue based on geographic area
Total revenues	$ 294,022	$ 326,160
Long-lived assets	105,139	71,985
United States
Schedule of revenue based on geographic area
Long-lived assets	76,870	59,530
Europe
Schedule of revenue based on geographic area
Total revenues	46,578	58,011
Long-lived assets	23,314	8,695
Canada
Schedule of revenue based on geographic area
Long-lived assets	1,198	139
India
Schedule of revenue based on geographic area
Long-lived assets	3,757	3,621
Operating Segments | United States
Schedule of revenue based on geographic area
Total revenues	243,897	263,506
Operating Segments | Europe
Schedule of revenue based on geographic area
Total revenues	46,581	58,027
Operating Segments | Canada
Schedule of revenue based on geographic area
Total revenues	3,476	4,642
Operating Segments | India
Schedule of revenue based on geographic area
Total revenues	8,098	8,900
Inter-segment Eliminations
Schedule of revenue based on geographic area
Total revenues	$ (8,030)	$ (8,915)